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    <title>lincos</title>
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    <center>Scilab Function  </center>
    <p>
      <b>lincos</b> -   Constructs by linearization a
  linear state-space model from a general dynamical system described
  by a scicos diagram
  </p>
    <h3>
      <font color="blue">Calling Sequence</font>
    </h3>
    <dl>
      <dd>
        <tt>sys= lincos(scs_m [,x0,u0 [,param] ])</tt>
      </dd>
    </dl>
    <h3>
      <font color="blue">Parameters</font>
    </h3>
    <ul>
      <li>
        <tt>
          <b>scs_m</b>
        </tt>
       : a Scicos data structure
       </li>
      <li>
        <tt>
          <b>x0</b>
        </tt>
       : column vector. Continuous state around which linearization to be done (default 0)
       </li>
      <li>
        <tt>
          <b>u0</b>
        </tt>
       : column vector. Input around which linearization to be done (default 0)
       </li>
      <li>
        <tt>
          <b>param</b>
        </tt>
       : param: list with two elements (default list(1.d-6,0))
   param(1): scalar. Perturbation level for linearization; the following variation is used
             del([x;u])_i = param(1)+param(1)*1d-4*abs([x;u])_i.
   param(2): scalar. Time t.
       </li>
      <li>
        <tt>
          <b>sys</b>
        </tt>
       : state-space system
       </li>
    </ul>
    <h3>
      <font color="blue">Description</font>
    </h3>
    <dl>
      <dd>
        <b></b>
        <p>
      Construct a linear state-space system by linearizing a model
      given as a Scicos diagram.
     </p>
      </dd>
      <dd>
        <b></b>
        <p>
      The output is a Scilab data structure of type continuous-time state-space linear system.
     </p>
      </dd>
    </dl>
    <h3>
      <font color="blue">See Also</font>
    </h3>
    <p>
      <a href="steadycos.htm">
        <tt>
          <b> steadycos</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="scicos_simulate.htm">
        <tt>
          <b> scicos_simulate</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
    <h3>
      <font color="blue">Authors</font>
    </h3>
    <dl>
      <dd>
        <b>Ramine Nikoukhah</b>
      </dd>
    </dl>
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